diff options
Diffstat (limited to 'nuttx/arch/arm/src/sam3u/chip/sam_rtc.h')
| -rw-r--r-- | nuttx/arch/arm/src/sam3u/chip/sam_rtc.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/sam3u/chip/sam_rtc.h b/nuttx/arch/arm/src/sam3u/chip/sam_rtc.h new file mode 100644 index 000000000..2ec71e477 --- /dev/null +++ b/nuttx/arch/arm/src/sam3u/chip/sam_rtc.h @@ -0,0 +1,184 @@ +/**************************************************************************************** + * arch/arm/src/sam3u/chip/sam_rtc.h + * + * Copyright (C) 2009, 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************************/ + +#ifndef __ARCH_ARM_SRC_SAM3U_CHIP_SAM_RTC_H +#define __ARCH_ARM_SRC_SAM3U_CHIP_SAM_RTC_H + +/**************************************************************************************** + * Included Files + ****************************************************************************************/ + +#include <nuttx/config.h> + +#include "chip.h" +#include "chip/sam_memorymap.h" + +/**************************************************************************************** + * Pre-processor Definitions + ****************************************************************************************/ + +/* RTC register offsets *****************************************************************/ + +#define SAM_RTC_CR_OFFSET 0x00 /* Control Register */ +#define SAM_RTC_MR_OFFSET 0x04 /* Mode Register */ +#define SAM_RTC_TIMR_OFFSET 0x08 /* Time Register */ +#define SAM_RTC_CALR_OFFSET 0x0c /* Calendar Register */ +#define SAM_RTC_TIMALR_OFFSET 0x10 /* Time Alarm Register */ +#define SAM_RTC_CALALR_OFFSET 0x14 /* Calendar Alarm Register */ +#define SAM_RTC_SR_OFFSET 0x18 /* Status Register */ +#define SAM_RTC_SCCR_OFFSET 0x1c /* Status Clear Command Register */ +#define SAM_RTC_IER_OFFSET 0x20 /* Interrupt Enable Register */ +#define SAM_RTC_IDR_OFFSET 0x24 /* Interrupt Disable Register */ +#define SAM_RTC_IMR_OFFSET 0x28 /* Interrupt Mask Register */ +#define SAM_RTC_VER_OFFSET 0x2c /* Valid Entry Register */ + +/* RTC register adresses ****************************************************************/ + +#define SAM_RTC_CR (SAM_RTC_BASE+SAM_RTC_CR_OFFSET) +#define SAM_RTC_MR (SAM_RTC_BASE+SAM_RTC_MR_OFFSET) +#define SAM_RTC_TIMR (SAM_RTC_BASE+SAM_RTC_TIMR_OFFSET) +#define SAM_RTC_CALR (SAM_RTC_BASE+SAM_RTC_CALR_OFFSET) +#define SAM_RTC_TIMALR (SAM_RTC_BASE+SAM_RTC_TIMALR_OFFSET) +#define SAM_RTC_CALALR (SAM_RTC_BASE+SAM_RTC_CALALR_OFFSET) +#define SAM_RTC_SR (SAM_RTC_BASE+SAM_RTC_SR_OFFSET) +#define SAM_RTC_SCCR (SAM_RTC_BASE+SAM_RTC_SCCR_OFFSET) +#define SAM_RTC_IER (SAM_RTC_BASE+SAM_RTC_IER_OFFSET) +#define SAM_RTC_IDR (SAM_RTC_BASE+SAM_RTC_IDR_OFFSET) +#define SAM_RTC_IMR (SAM_RTC_BASE+SAM_RTC_IMR_OFFSET) +#define SAM_RTC_VER (SAM_RTC_BASE+SAM_RTC_VER_OFFSET) + +/* RTC register bit definitions *********************************************************/ + +#define RTC_CR_UPDTIM (1 << 0) /* Bit 0: Update Request Time Register */ +#define RTC_CR_UPDCAL (1 << 1) /* Bit 1: Update Request Calendar Register */ +#define RTC_CR_TIMEVSEL_SHIFT (8) /* Bits 8-9: Time Event Selection */ +#define RTC_CR_TIMEVSEL_MASK (3 << RTC_CR_TIMEVSEL_SHIFT) +# define RTC_CR_TIMEVSEL_MIN (0 << RTC_CR_TIMEVSEL_SHIFT) +# define RTC_CR_TIMEVSEL_HOUR (1 << RTC_CR_TIMEVSEL_SHIFT) +# define RTC_CR_TIMEVSEL_MIDNIGHT (2 << RTC_CR_TIMEVSEL_SHIFT) +# define RTC_CR_TIMEVSEL_NOON (3 << RTC_CR_TIMEVSEL_SHIFT) +#define RTC_CR_CALEVSEL_SHIFT (16) /* Bits 16-17: Calendar Event Selection */ +#define RTC_CR_CALEVSEL_MASK (3 << RTC_CR_CALEVSEL_SHIFT) +# define RTC_CR_CALEVSEL_WEEK (0 << RTC_CR_CALEVSEL_SHIFT) +# define RTC_CR_CALEVSEL_MONTH (1 << RTC_CR_CALEVSEL_SHIFT) +# define RTC_CR_CALEVSEL_YEAR (2 << RTC_CR_CALEVSEL_SHIFT) + +#define RTC_MR_HRMOD (1 << 0) /* Bit 0: 12-/24-hour Mode */ + +#define RTC_TIMR_SEC_SHIFT (0) /* Bits 0-6: Current Second */ +#define RTC_TIMR_SEC_MASK (0x7f << RTC_TIMR_SEC_SHIFT) +#define RTC_TIMR_MIN_SHIFT (8) /* Bits 8-14: Current Minute */ +#define RTC_TIMR_MIN_MASK (0x7f << RTC_TIMR_MIN_SHIFT) +#define RTC_TIMR_HOUR_SHIFT (16) /* Bits 16-21: Current Hour */ +#define RTC_TIMR_HOUR_MASK (0x3f << RTC_TIMR_HOUR_SHIFT) +#define RTC_TIMR_AMPM (1 << 22) /* Bit 22: Ante Meridiem Post Meridiem Indicator */ + +#define RTC_CALR_CENT_SHIFT (0) /* Bits 0-6: Current Century */ +#define RTC_CALR_CENT_MASK (0x7f << RTC_TIMR_HOUR_SHIFT) +#define RTC_CALR_YEAR_SHIFT (8) /* Bits 8-15: Current Year */ +#define RTC_CALR_YEAR_MASK (0xff << RTC_CALR_YEAR_SHIFT) +#define RTC_CALR_MONTH_SHIFT (16) /* Bits 16-20: Current Month */ +#define RTC_CALR_MONTH_MASK (0x1f << RTC_CALR_MONTH_SHIFT) +#define RTC_CALR_DAY_SHIFT (21) /* Bits 21-23: Current Day in Current Week */ +#define RTC_CALR_DAY_MASK (7 << RTC_CALR_DAY_SHIFT) +#define RTC_CALR_DATE_SHIFT (24) /* Bits 24-29: Current Day in Current Month */ +#define RTC_CALR_DATE_MASK (0x3f << RTC_CALR_DATE_SHIFT) + +#define RTC_TIMALR_SEC_SHIFT (0) /* Bits 0-6: Second Alarm */ +#define RTC_TIMALR_SEC_MASK (0x7f << RTC_TIMALR_SEC_SHIFT) +#define RTC_TIMALR_SECEN (1 << 7) /* Bit 7: Second Alarm Enable */ +#define RTC_TIMALR_MIN_SHIFT (8) /* Bits 8-14: Minute Alarm */ +#define RTC_TIMALR_MIN_MASK (0x7f << RTC_TIMALR_MIN_SHIFT) +#define RTC_TIMALR_MINEN (1 << 15) /* Bit 15: Minute Alarm Enable */ +#define RTC_TIMALR_HOUR_SHIFT (16) /* Bits 16-21: Hour Alarm */ +#define RTC_TIMALR_HOUR_MASK (0x3f << RTC_TIMALR_HOUR_SHIFT) +#define RTC_TIMALR_AMPM (1 << 22) /* Bit 22: AM/PM Indicator */ +#define RTC_TIMALR_HOUREN (1 << 23) /* Bit 23: Hour Alarm Enable */ + +#define RTC_CALALR_MONTH_SHIFT (16) /* Bits 16-20: Month Alarm */ +#define RTC_CALALR_MONTH_MASK (0x1f << RTC_CALALR_MONTH_SHIFT) +#define RTC_CALALR_MTHEN (1 << 23) /* Bit 23: Month Alarm Enable */ +#define RTC_CALALR_DATE_SHIFT (24) /* Bits 24-29: Date Alarm */ +#define RTC_CALALR_DATE_MASK (0x3c << RTC_CALALR_DATE_SHIFT) +#define RTC_CALALR_DATEEN (1 << 31) /* Bit 31: Date Alarm Enable */ + +#define RTC_SR_ACKUPD (1 << 0) /* Bit 0: Acknowledge for Update */ +#define RTC_SR_ALARM (1 << 1) /* Bit 1: Alarm Flag */ +#define RTC_SR_SEC (1 << 2) /* Bit 2: Second Event */ +#define RTC_SR_TIMEV (1 << 3) /* Bit 3: Time Event */ +#define RTC_SR_CALEV (1 << 4) /* Bit 4: Calendar Event */ + +#define RTC_SCCR_ACKCLR (1 << 0) /* Bit 0: Acknowledge Clear */ +#define RTC_SCCR_ALRCLR (1 << 1) /* Bit 1: Alarm Clear */ +#define RTC_SCCR_SECCLR (1 << 2) /* Bit 2: Second Clear */ +#define RTC_SCCR_TIMCLR (1 << 3) /* Bit 3: Time Clear */ +#define RTC_SCCR_CALCLR (1 << 4) /* Bit 4: Calendar Clear */ + +#define RTC_IER_ACKEN (1 << 0) /* Bit 0: Acknowledge Update Interrupt Enable */ +#define RTC_IER_ALREN (1 << 1) /* Bit 1: Alarm Interrupt Enable */ +#define RTC_IER_SECEN (1 << 2) /* Bit 2: Second Event Interrupt Enable */ +#define RTC_IER_TIMEN (1 << 3) /* Bit 3: Time Event Interrupt Enable */ +#define RTC_IER_CALEN (1 << 4) /* Bit 4: Calendar Event Interrupt Enable */ + +#define RTC_IDR_ACKDIS (1 << 0) /* Bit 0: Acknowledge Update Interrupt Disable */ +#define RTC_IDR_ALRDIS (1 << 1) /* Bit 1: Alarm Interrupt Disable */ +#define RTC_IDR_SECDIS (1 << 2) /* Bit 2: Second Event Interrupt Disable */ +#define RTC_IDR_TIMDIS (1 << 3) /* Bit 3: Time Event Interrupt Disable */ +#define RTC_IDR_CALDIS (1 << 4) /* Bit 4: Calendar Event Interrupt Disable */ + +#define RTC_IMR_ACK (1 << 0) /* Bit 0: Acknowledge Update Interrupt Mask */ +#define RTC_IMR_ALR (1 << 1) /* Bit 1: Alarm Interrupt Mask */ +#define RTC_IMR_SEC (1 << 2) /* Bit 2: Second Event Interrupt Mask */ +#define RTC_IMR_TIM (1 << 3) /* Bit 3: Time Event Interrupt Mask */ +#define RTC_IMR_CAL (1 << 4) /* Bit 4: Calendar Event Interrupt Mask */ + +#define RTC_VER_NVTIM (1 << 0) /* Bit 0: Non-valid Time */ +#define RTC_VER_NVCAL (1 << 1) /* Bit 1: Non-valid Calendar */ +#define RTC_VER_NVTIMALR (1 << 2) /* Bit 2: Non-valid Time Alarm */ +#define RTC_VER_NVCALALR (1 << 3) /* Bit 3: Non-valid Calendar Alarm */ + +/**************************************************************************************** + * Public Types + ****************************************************************************************/ + +/**************************************************************************************** + * Public Data + ****************************************************************************************/ + +/**************************************************************************************** + * Public Functions + ****************************************************************************************/ + +#endif /* __ARCH_ARM_SRC_SAM3U_CHIP_SAM_RTC_H */ |